One trillion dollars misdirected?

This articleillustrates the sea change that has recently happened in the awareness that coal must be left in the ground if CO2 levels in the atmosphere are to be limited. it also illustrates how, globally, there is a big time lag between this realisation and the construction of new coal using power plants. The trillion dollars committed to these new facilities could, if redirected to investment in renewable energy, provide enough power for 1.2 billion people, according to a Sierra Club analysis. But it seems unlikely that the ‘free market’ making this shift in the short term, and there is no other mechanism at the global level to regulate such a redirection of investment.